[GHC] #12642: reports incorrect target arch on mips64el

[GHC]

#12642: reports incorrect target arch on mips64el
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           Reporter:  clint          |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Linux
       Architecture:  mips           |   Type of failure:  Debugging
                                     |  information is incorrect
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Please handle "mips64el" in GHC_CONVERT_CPU and
 FPTOOLS_SET_HASKELL_PLATFORM_VARS.  Having "ArchMipseb" show up in ghc
 --info output is confusing.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12642>
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